CN219815000U - Visual prostate crack-expanding device based on mark line positioning - Google Patents

Abstract

The utility model discloses a visual prostate expander based on marking line positioning, and relates to the field of medical appliances. The utility model comprises a crack expanding catheter, a catheter auxiliary sheath and a soft lens; the main body is provided with a colored marking line at the rear side of the outer bag; the catheter auxiliary sheath comprises an auxiliary sheath main body, a funnel-shaped inlet and a first baffle ring; the soft mirror comprises a communication optical fiber, a soft mirror lens and a second baffle ring; the expanding catheter and the soft lens are respectively inserted through the funnel-shaped inlet, and the positions of the outer bag and the inner bag are positioned by respectively referring to the color mark line and the position of the external sphincter of the prostate through the lens of the soft lens. The color marking line is referred to realize positioning, so that the positioning of the capsule in the dilation operation can be realized in real time, high in accuracy and reliability based on the display screen, the positioning accuracy is high, and the use method is simple and quick; the soft mirror assists the back of the sheath for the catheter, thereby reducing the probability of scraping and damaging the urethra and improving the use safety.

Description

Visual prostate crack-expanding device based on mark line positioning

Technical Field

The utility model belongs to the field of medical equipment, and particularly relates to a visual prostate expander based on marker line positioning.

Background

The method for treating the prostatic hyperplasia comprises a method for cutting the prostatic hyperplasia, and also comprises a method for adopting a dilation operation, in particular to a method for inserting a dilation catheter into the urethra of the prostatic part of a patient and treating the prostatic hyperplasia by using a mode of filling water or air into a balloon.

In the treatment of the dilation, the problem of locating a dilation catheter is the key at present. Because the inflatable bladder is arranged on the dilation catheter, the corresponding bladder needs to be precisely positioned at the urethra part of the prostate in the area, and can not cause great damage to the external urethral sphincter and the internal urethral sphincter for a long time. For this reason, in the prior art, a positioning ring is usually arranged on the expansion tube, and during the expansion operation, indirect positioning is realized by touching the positioning ring with a finger during the operation, and the method is not performed under direct vision and needs to be realized by virtue of abundant experience of operators. For this reason, as in CN107198815a, a prostate expanding tube for visual positioning of the bulbar urethra has been proposed, which is provided with an opening on the outer side of the expanding catheter, and is provided with a soft lens structure, the soft lens is exposed from the side opening, and when in use, due to the protruding arrangement, the soft lens can scratch the urethra and damage the urethra; as another example 201710164334.6, a visual membrane part and prostatic urethra dilating catheter, it discloses a visual probe, the visual probe has two, one is movably set in the position of the catheterization cavity, and in the catheterization opening at the end point of the catheter main body head, the obtained picture is the topmost, there is no reference, the accurate position of the sac can not be determined specifically only by taking the catheter top as the reference; the second visual probe is arranged at the expanding position of the front sac and the rear sac cavity, and due to the protruding arrangement, the second visual probe can scratch the urethra and damage the urethra in the inserting process.

Disclosure of Invention

The utility model provides a visual prostate expander based on marker line positioning, which solves the problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a visual prostate crack-expander based on marking line positioning, which comprises a crack-expanding guide pipe, wherein the crack-expanding guide pipe comprises a strip tubular main body, a guide section arranged at the front part of the main body, and an expansion section positioned at the rear part of the guide section and composed of an independent outer bag and an independent inner bag, the front end part of the guide section is round, a cleaning drainage hole is formed in the guide section, a cleaning guide pipe connected with the cleaning drainage hole, a first connecting pipe connected with a first connecting hole on the outer bag, a second connecting pipe connected with a second connecting hole on the inner bag and a guide wire hole arranged at the front end of the guide section are connected in the main body;

the visual prostate expander also comprises a catheter auxiliary sheath and a soft mirror;

the main body is provided with a colored marking line positioned at the rear side of the outer bag;

the catheter auxiliary sheath comprises an auxiliary sheath body, a funnel-shaped inlet is arranged at the rear part of the auxiliary sheath body, and a first baffle ring is arranged on the auxiliary sheath body;

the soft lens comprises a communication optical fiber, a soft lens and a second baffle ring, wherein the tail end of the communication optical fiber is connected with the display, the soft lens is positioned at the front end of the communication optical fiber, and the second baffle ring is arranged at the rear position of the communication optical fiber;

the expanding catheter and the soft lens are respectively inserted through the funnel-shaped inlet, and the positions of the outer bag and the inner bag are positioned by respectively referring to the color mark line and the position of the external sphincter of the prostate through the lens of the soft lens.

Further, the tail part of the crack expanding guide pipe is provided with a semi-funnel-shaped inlet, and anti-skid patterns for rotation adjustment are circumferentially arranged on the peripheral side of the semi-funnel-shaped inlet.

Further, the semi-funnel inlet diameter is smaller than the funnel inlet diameter, and the diameter of the expanding catheter is smaller than the diameter of the auxiliary sheath body.

Further, the inner bag is arranged at a position facing the front end part in the outer bag, and in an expanded state, the inner bag is a spherical bag to form the head end of the outer bag; the outer bag is a columnar bag in an inflated state, and the prostate is expanded from the position of the bladder neck at the front part of the prostate.

Further, the inner bag and the outer bag are coaxially arranged with the main body.

Further, the internal pressure of the inner bag in the inflated state is not more than 0.3Mpa; the internal pressure of the outer bag in the inflated state is not more than 0.3Mpa.

Further, a first handle is arranged between the funnel-shaped inlet and the first baffle ring.

Further, a second handle is arranged on the second baffle ring.

Further, the ends of the cleaning guide pipe, the first connecting pipe and the second connecting pipe are respectively provided with a luer connector and a switch clamp.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model adopts the mode that the catheter auxiliary sheath is inserted into the expanding catheter and the soft lens, the color marking line for realizing positioning by referring to the position of the expanding catheter and the external sphincter of the prostate is arranged at the rear part of the external sac, and the positioning of the sac in the expanding operation can be realized in real time, high precision and reliability based on the display screen, and the positioning precision is high, and the using method is simple and quick;

(2) The utility model adopts a mode of combining the catheter auxiliary sheath with the dilation catheter and the soft lens to position the capsule under the prostate dilation scene, and the soft lens is a rear-end rail in the catheter auxiliary sheath, thereby reducing the probability of scraping and damaging the urethra and improving the use safety;

(3) The utility model further provides a limit and adjustment structure comprising a semi-funnel-shaped inlet, a first baffle ring, a second baffle ring, a first handle and a second handle, which are arranged at the rear part of the crack-expanding catheter and the catheter auxiliary sheath, so that the high-efficiency and high-precision fine adjustment and limit can be realized based on high-precision positioning;

(4) The soft lens is integrally arranged in the catheter auxiliary sheath, can be directly withdrawn after high-efficiency positioning is realized, does not influence the expansion of the capsule, does not damage the urethra, and is convenient and quick to use.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of a visual prostate expander based on marker line positioning in a split state according to the present utility model;

fig. 2 is a view showing the construction of the combination state of the visual prostate expander based on the marking line positioning of the present utility model when the combination state is inserted into the urethra for positioning;

FIG. 3 is a schematic diagram of the structure of the visualized prostate expander based on marker line positioning after soft mirror extraction after positioning is achieved;

FIG. 4 is a schematic diagram showing a positional relationship between a second retainer ring and a second handle according to an embodiment;

FIG. 5 is a structural side view of a semi-funnel inlet of an embodiment;

FIG. 6 is a schematic diagram of the present utility model in a specific positioning operation of a visualized prostate expander based on marker line positioning;

in the drawings, the list of components represented by the various numbers is as follows:

1-expanding catheter, 101-main body, 102-guiding section, 103-front end, 104-cleaning drainage hole, 105-guide wire hole, 106-outer bag, 1061-first connecting hole, 107-inner bag, 1071-second connecting hole, 108-color marking line, 109-semi-funnel-shaped inlet, 1091-anti-skid pattern, 110-second connecting pipe, 111-first connecting pipe, 112-cleaning drainage pipe, 2-catheter auxiliary sheath, 201-auxiliary sheath main body, 202-first baffle ring, 203-funnel-shaped inlet, 204-first handle, 3-soft lens, 301-communication optical fiber, 302-soft lens, 303-second baffle ring, 304-second handle, A-bladder, B-prostate, C-penis, D-outer sphincter, E-bladder neck.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "front," "rear," "leading," "inner," "outer," "trailing," and the like indicate orientations or positional relationships, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the components or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, fig. 1 is an exploded view of a visual prostate expander based on marker line positioning in this embodiment, which includes a crack expanding catheter 1, a catheter auxiliary sheath 2, and a soft lens 3; the expanding catheter 1 comprises a strip tubular main body 101, a guide section 102 arranged at the front part of the main body 101, an expanding section positioned at the rear part of the guide section 102 and formed by independent outer bags 106 and inner bags 107, wherein the front end 103 of the guide section 102 is round-headed, a cleaning drainage hole 104 is formed in the guide section 102, a cleaning drainage pipe 112 connected with the cleaning drainage hole 104, a first connecting pipe 111 connected with a first connecting hole 1061 on the outer bag 106, a second connecting pipe 110 connected with a second connecting hole 1071 on the inner bag 107 and a guide wire hole 105 arranged at the front end of the guide section 102 are connected in the main body 101; the length of the body 101 is 400-500mm, in this embodiment 450mm in particular, and the diameter is 3-8mm, in this embodiment 6mm in particular; the diameter of the inner bag 107 is 3-8mm in the unused state, and the diameter of the outer bag 106 is 3.5-8.5mm in the unused state; the inner bag 107 and the outer bag 106 are inflated by injecting water or air under pressure into the inner bag 107, the internal pressure of the inner bag 107 is not more than 0.3Mpa in the inflated state, the inner bag 107 is arranged in the outer bag 106 towards the front end 103, and the inner bag 107 is a spherical bag in the inflated state to form the head end of the outer bag 106; the outer bag 106 is a columnar bag in an inflated state, and the prostate is expanded from the position E of the bladder neck at the front part of the prostate B; the inner bag 107 and the outer bag 106 are coaxially arranged with the main body 101; it will be appreciated that the dimensions of the main body 101, the inner bag 107 and the outer bag 106 and the distance between the guide sections 102 at the front portion of the main body 101 are not particularly limited, for example, different dimensions may be set according to actual requirements, one or a plurality of corresponding cleaning drainage holes 104 may be set according to requirements, in this embodiment, one or a plurality of corresponding cleaning drainage holes 104 are not particularly limited, the positions of the cleaning drainage holes 104 are not particularly limited, the cleaning drainage holes 104 are filled with physiological saline through the cleaning catheter 112 to realize the cleaning of the outlet positions, the cleaning drainage holes 104 are also used for being inserted into the bladder a, urine in the bladder is guided out, and whether the front end 103 is inserted into the bladder a is detected;

the visualized prostate expander also comprises a catheter auxiliary sheath 2 and a soft mirror 3;

a colored marking line 108 is arranged on the main body 101 and positioned at the rear side of the outer sac 106, and the colored marking line 108 is used for referencing through a soft lens 302 in the soft lens 3 together with the position of the external sphincter muscle D after the dilation catheter 1 is inserted into the urethra;

the catheter auxiliary sheath 2 comprises an auxiliary sheath main body 201, a funnel-shaped inlet 203 positioned at the rear part of the auxiliary sheath main body 201, and a first baffle ring 202 is arranged on the auxiliary sheath main body 201; the diameter of the auxiliary sheath main body 201 is larger than that of the expanding catheter 1, in this embodiment, 9mm is adopted, the length of the auxiliary sheath main body 201 is shorter than that of the expanding catheter 1, in this embodiment, 200mm is adopted, the auxiliary sheath main body 201 can be adaptively set according to specific dimensions, and the first baffle ring 202 is used for realizing blocking and position positioning after the auxiliary sheath main body 201 is inserted through the urethral orifice of the penis C and is placed further forwards;

the soft mirror 3 comprises a communication optical fiber 301 with the tail end connected with the display and a soft mirror lens 302 positioned at the front end, and a second baffle ring 303 is arranged at the rear position of the communication optical fiber 301; the diameter of the communication optical fiber 301 is 2-3mm, in this embodiment, 2.5mm is adopted, of course, different sizes can be set according to actual requirements and actual scenes, the picture image obtained by the soft lens 302 is displayed in real time through the display end, the positions of the color marking line 108 and the external sphincter muscle D are identified and compared, and the soft lens 302 in the soft lens 3 is used for reference positioning;

the dilation catheter 1 and the soft lens 3 are respectively inserted through the funnel-shaped inlet 203, and the positions of the outer sac 106 and the inner sac 107 are respectively positioned by referring to the positions of the color mark line 108 and the external sphincter muscle D of the prostate B through the soft lens 302.

The tail part of the expanding and cracking catheter 1 is provided with a semi-funnel-shaped inlet 109, and anti-skid patterns 1091 for rotation adjustment are circumferentially arranged on the circumferential side of the semi-funnel-shaped inlet 109; the diameter of the semi-funnel-shaped inlet 109 is smaller than that of the funnel-shaped inlet 203, so that the outer wall can be attached to the inner wall of the funnel-shaped inlet 203, the angle of the expanding and cracking catheter 1 is adjusted through the anti-skid threads 1091 in the urethra advancing process, and the expanding and cracking catheter 1 is prevented from being damaged due to the fact that the expanding and cracking catheter 1 is in an unstable advancing mode.

A first handle 204 is arranged between the funnel-shaped inlet 203 and the first baffle ring 202, and the first handle 204 is beneficial to controlling the overall stability during the operation of the dilation; the first handle 204, in this embodiment, is two circular rings, which can be held by fingers.

Wherein, the second baffle ring 303 is provided with a second handle 304; this second keeps off ring 303 can avoid the communication optic fibre 301 of soft mirror 3 to further forward, realizes blockking up the effect, and the diameter of second keeps off ring 303 is greater than communication optic fibre 301 and assists the grafting passageway hole in sheath main part 201, and second handle 304 is a circular ring in this particular embodiment specifically, and the accessible finger hooks and operates, through the setting of second handle 304, stability and convenience when can improving soft mirror 3 and use.

The ends of the cleaning guide pipe 112, the first connecting pipe 111 and the second connecting pipe 110 are respectively provided with a luer connector and a switch clamp; the luer connector and the switch clamp are arranged to facilitate stable pressure and liquid flow input and output.

The working principle of the visual prostate expander based on marking line positioning is shown in fig. 6, and the visual prostate expander specifically comprises the following steps:

firstly, the soft mirror 3 and the expanding catheter 1 are respectively inserted into the catheter auxiliary sheath 2 through the funnel-shaped inlet 203 by the guide wire based on the guide wire hole 105, and after the insertion, the soft mirror 3 can be pulled out subsequently, namely, a fine gap exists between the soft mirror 3 and the expanding catheter; the initial insertion state is that the soft lens 3 and the end part of the expanding catheter 1 do not emerge from the catheter auxiliary sheath 2;

then, after the catheter auxiliary sheath 2 passes through the penis C and the end part approximately reaches the position of the prostate B, the expanding catheter 1 is continuously advanced forwards by the catheter auxiliary sheath 2 until the urine flows out of the bladder A from the cleaning catheter tube 112 to indicate that the front end 103 reaches the bladder A, and then the catheter auxiliary sheath 2 is slightly pulled backwards to expose the soft lens 302 of the soft lens 3;

then, the positions of the color marking line 108 and the external sphincter muscle D at the front part are identified and compared through the soft lens 302, the soft lens 302 in the soft lens 3 is used for reference positioning, and then the anti-skid threads 1091 at the outer side of the semi-funnel-shaped inlet 109 are used for fine adjustment of the position and the angle of the crack-expanding catheter 1, so that the positions of the color marking line 108 and the external sphincter muscle D are just flush, and the positioning is realized; the positions of the expanding and splitting catheter 1 and the catheter auxiliary sheath 2 are kept stable, the soft lens 3 is extracted, at the moment, the inner bag 107 is just positioned in the bladder A, and the outer bag 106 is just positioned in the channel of the prostate B;

finally, the inner bag 107 is pressurized and injected with water or pressurized air to realize further positioning of expansion, and then the outer bag 106 is pressurized and injected with water or pressurized air to perform the expanding action, namely the high-precision visualized prostate expanding process based on marking line positioning is completed; in the positioning process, the pictures can be displayed in real time and truly through the display screen, the accuracy is high, and the using method is simple and efficient.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. The utility model provides a visual prostate expands and splits ware based on mark line location, includes expands and splits pipe (1), expand and split pipe (1) including rectangular tubular main part (101), locate anterior guide section (102) of main part (101), be located the expansion section that guide section (102) rear portion comprises independent outer bag (106) and interior bag (107), front end (103) of guide section (102) are the button shape, wash drainage hole (104) have been seted up on guide section (102), wash drainage pipe (112) that link to each other with wash drainage hole (104) are gone up in main part (101), first connecting pipe (111) that link to each other with first connecting hole (1061) on outer bag (106), second connecting pipe (110) that link to each other with second connecting hole (1071) on interior bag (107), guide wire hole (105) that set up in guide section (102) front end, its characterized in that:

the visual prostate expander also comprises a catheter auxiliary sheath (2) and a soft mirror (3);

a colored marking line (108) is arranged on the main body (101) and positioned at the rear side of the outer bag (106);

the catheter auxiliary sheath (2) comprises an auxiliary sheath main body (201), a funnel-shaped inlet (203) is arranged at the rear part of the auxiliary sheath main body (201), and a first baffle ring (202) is arranged on the auxiliary sheath main body (201);

the soft mirror (3) comprises a communication optical fiber (301) with the tail end connected with the display and a soft mirror lens (302) positioned at the front end, and a second baffle ring (303) is arranged at the rear position of the communication optical fiber (301);

the crack expanding catheter (1) and the soft lens (3) are respectively inserted into the funnel-shaped inlet (203), and the positions of the outer bag (106) and the inner bag (107) are positioned by respectively referring to the positions of the color marking line (108) and the outer sphincter (D) of the prostate (B) through the soft lens (302);

the inner bag (107) is arranged at a position facing the front end part (103) in the outer bag (106), and in an expanded state, the inner bag (107) is a spherical bag, so that the head end of the outer bag (106) is formed; the outer bag (106) is a columnar bag in an inflated state, and the prostate is expanded from the position of the bladder neck (E) in front of the prostate (B).

2. The visualized prostate expander positioned based on the marking line according to claim 1, wherein the tail of the expanding guide tube (1) is provided with a semi-funnel-shaped inlet (109), and the circumference side of the semi-funnel-shaped inlet (109) is circumferentially provided with anti-skid patterns (1091) for rotation adjustment.

3. A visualized prostate expander positioned based on marker lines according to claim 2 wherein the semi-funnel shaped inlet (109) is smaller in diameter than the funnel shaped inlet (203) and the diameter of the expanding catheter (1) is smaller than the diameter of the auxiliary sheath body (201).

4. The visualized prostate expander positioned based on marker lines of claim 1 wherein said inner (107) and outer (106) balloons are coaxially disposed with respect to the main body (101).

5. A marker line positioning based visual prostate expander as claimed in claim 1 wherein said inner balloon (107) has an inflated state internal pressure of no more than 0.3Mpa; the outer bladder (106) has an internal pressure of no more than 0.3Mpa in the inflated state.

6. A visualized prostate expander positioned based on marker lines according to claim 1 wherein a first handle (204) is provided between the funnel-shaped inlet (203) and the first stop ring (202).

7. A visualized prostate expander positioned based on marker lines according to claim 1 wherein the second stop ring (303) is provided with a second handle (304).

8. The visualized prostate expander positioned based on marking lines of claim 1, wherein the ends of the cleaning flow guide tube (112), the first connecting tube (111) and the second connecting tube (110) are provided with luer connectors and switch clamps.